Clinical trials: External Validation
Chronic Kidney Diseases
External Validation of Clinical Prediction Tools for Estimating Salt and Potassium Intake in Nephrology Patients.
There is no validated self-questionnaire to assess salt and potassium intake in nephrology patients. Using Bayesian models, researchers developed clinical prediction tools to estimate salt and potassium intake in nephrology…
- Trial name
- UniverSel (NCT05783960)
- Testing
- administration questionary
- Where
- 5 sites in France
- Volunteers
- 629 people
- Sponsor
- Hospices Civils de Lyon
HIP AND KNEE OSTEOARTHRITIS
Prepare II - Predictive Model Training and External Validation
The general aim of the project is training and testing a predictive model of inpatient rehabilitation stay after hip and knee replacement for osteoarthritis.
- Trial name
- NCT07304323
- Testing
- Functional rehabilitation
- Where
- Italy
- Volunteers
- 400 people
- Sponsor
- I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio
Syncope, Presyncope
Practical Approaches to Care in Emergency Syncope
Syncope, or transient loss of consciousness, is a common reason for visit to the Emergency Department and often leads to extensive testing and hospitalization.
- Trial name
- PACES (NCT04533425)
- Where
- 5 sites in United States
- Volunteers
- 1,297 people
- Sponsor
- Columbia University
COVID-19 Pandemic
External Validation of the 4C Mortality Score for Hospitalised Patients With COVID-19 in a Tunisian Cohort
Risk prediction scores are important tools to support clinical decision-making for patients with coronavirus disease (COVID-19).
- Trial name
- 4C (NCT05498324)
- Where
- Tunisia
- Volunteers
- 1,500 people
- Sponsor
- University of Monastir
Coronary Artery Disease, Percutaneous Coronary Intervention
The xDAPT External Validation Study
Dual antiplatelet therapy (DAPT) is routinely recommended after percutaneous coronary intervention (PCI) with drug-eluting stent (DES) implantation to prevent thrombotic complications.
- Trial name
- xDAPT (NCT06736626)
- Testing
- Percutaneous coronary intervention
- Where
- United States
- Volunteers
- 30,000 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Posterior Ischemic Stroke, Cerebral Infarction
Derivation and External Validation of the "FORECAST-PC" Prediction Scores
This study aims to develop and externally validate machine learning prediction models (FORECAST-PC) to determine 90-day functional outcomes for patients suffering from acute ischemic stroke in the posterior circulation who are…
- Conditions
- Posterior Ischemic Stroke, Cerebral Infarction, Cerebrovascular Disorders
- Trial name
- FORECAST-PC (NCT07750015)
- Testing
- FORECAST-PC Prediction Models
- Where
- Switzerland
- Volunteers
- 732 people
- Sponsor
- Dr. med. Alexander Salerno, MD-PhD
Respiratory Failure, Mechanical Ventilation
External Validation of AI-Aided Weaning Software Using Multicenter Retrospective Data
This multicenter retrospective study aims to externally validate an artificial intelligence-aided weaning software developed using intensive care unit data from Taichung Veterans General Hospital between 2015 and 2019.
- Conditions
- Respiratory Failure, Mechanical Ventilation, Critical Illness
- Trial name
- NCT07658131
- Where
- Taiwan
- Volunteers
- 1,500 people
- Sponsor
- Taichung Veterans General Hospital
Predictive Cancer Model, Localized Prostate Carcinoma
Generation and Validation of Predictive Models for Localized Prostate Cancer Treated With External Radiotherapy.
The generation of predictive models in radiotherapy has seen a significant increase. In 2017, Raymond published the largest systematic review of predictive prognostic models for biochemical relapse (BR), metastasis-free survival…
- Trial name
- NCT06092918
- Testing
- EXTERNAL RADIOTHERAPY
- Volunteers
- 700 people
- Sponsor
- Consorci Sanitari de Terrassa
Trauma Injury
External Validation of the Clinical Pre-hospital "Red- Flag" Alert for Activation of Intra-hospital Hemorrhage Control Response in Blunt Trauma.
External validation of the clinical pre-hospital "Red- Flag" alert for activation of intra-hospital hemorrhage control response in blunt trauma.
- Trial name
- RED-FLAG 2 (NCT05820217)
- Volunteers
- 630 people
- Sponsor
- University Hospital, Angers
Colonoscopy
External, Multicentre Validation of a Machine-Learning Model to Predict Colonic Adenoma in Indian Adults
Colorectal adenomas are precursors to colorectal cancer (CRC). Accurate pre-procedure risk stratification could optimize colonoscopy yield and resource allocation in India, where adenoma prevalence varies by age, sex, and…
- Trial name
- NCT07329816
- Testing
- Not Applicable / Observational study
- Volunteers
- 1,000 people
- Sponsor
- Asian Institute of Gastroenterology, India
Minor Head Injury
The Value of the Canadian CT Head Rule and the New Orleans Criteria in Minor Head Trauma
The New Orleans Criteria (NOC) and the Canadian CT Head Rules (CCHR) have been developed to decrease the number of normal computed tomography (CT) in mild head injury (MHI).
- Trial name
- NCT01619943
- Testing
- no intervention
- Where
- 3 sites in Tunisia
- Volunteers
- 1,600 people
- Sponsor
- University of Monastir
Microscopic Colitis
External Validation of a Microscopic Colitis Clinical Scoring System in Patients With Chronic Watery Diarrhoea
Chronic watery diarrhoea is a very common problem in the population and most of these patients will be referred for colonoscopy.
- Trial name
- NCT06031064
- Where
- Spain
- Volunteers
- 200 people
- Sponsor
- Hospital Mutua de Terrassa
Platelet Aggregation, Blood Transfusion
Validation of a Red Blood Cell Transfusion Prediction Model in a Low Transfusion Rate Population.
The transfusion risk and clinical knowledge (TRACK) allogeneic blood transfusion prediction model was developed more than ten years ago and demonstrated good discriminative ability in patients with increased risk for allogeneic…
- Trial name
- TRACK-TCT (NCT05581238)
- Testing
- TRACK-TCT
- Where
- Netherlands
- Volunteers
- 6,428 people, healthy volunteers welcome
- Sponsor
- Medisch Spectrum Twente
Pierre Robin Sequence (PRS), Difficult Laryngoscopy
3D-CT-Based Prediction of Difficult Laryngoscopy in Infants With Pierre Robin Sequence
This study aims to develop and validate a quantitative prediction model using three-dimensional computed tomography (3D-CT) imaging for identifying infants with Pierre Robin sequence (PRS) at risk of difficult laryngoscopy.
- Conditions
- Pierre Robin Sequence (PRS), Difficult Laryngoscopy, Airway Management
- Trial name
- PRS-3DCT (NCT07257276)
- Where
- China
- Volunteers
- 294 people
- Sponsor
- Nanjing Children's Hospital
Severe to Profound Mixed Hearing Loss
Clinical Assessment of the External Sound Processor Worn by Patients Implanted With Codacs
The purpose of this study is to evaluate the effect of the sound processor upgrade from the C-DACS investigational device Freedom sound processor to the Nucleus® CP810 sound processor for the Codacs™ system on the speech…
- Trial name
- NCT02156167
- Testing
- CP810 and Codacs™ system test
- Where
- Germany
- Volunteers
- 15 people
- Sponsor
- Cochlear
Trauma
Accuracy and External Validation of mREMS in Road Traffic Injuries
The goal of this prospective observational study is to assess the accuracy and external validation of the Modified Rapid Emergency Medicine Score (mREMS) in predicting outcomes for patients with road traffic injuries (RTIs)…
- Trial name
- AVE-MREMS (NCT06740409)
- Where
- Iraq
- Volunteers
- 292 people
- Sponsor
- Al-Nahrain University
Low Back Pain, Disk Herniated Lumbar
Predicting Outcomes After Lumbar Fusion for Degenerative Disease
The aim of the FUSE-ML study is to develop and externally validate a robust ML-based prediction tool based on multicenter data from a range of international centers that will provide individualized risk-benefit profiles tailored…
- Conditions
- Low Back Pain, Disk Herniated Lumbar, Spinal Stenosis Lumbar
- Trial name
- FUSE-ML (NCT05161130)
- Testing
- Lumbar Spinal Fusion
- Where
- 4 sites in Austria, France and 1 more
- Volunteers
- 1,115 people
- Sponsor
- Bergman Clinics
Anastomotic Leak, Anastomotic Leak Large Intestine
A1Check: the External Validation of a Machine Learning Model Predicting Colorectal Anastomotic Leakage
Anastomotic leakage is a severe complication that can arise following a colorectal resection. It impairs both the short- and long-term outcomes, and negatively influences cancer recurrence rates.
- Conditions
- Anastomotic Leak, Anastomotic Leak Large Intestine, Anastomotic Complication, Anastomotic Leak Rectum
- Trial name
- A1Check (NCT05810207)
- Testing
- Colorectal resection
- Where
- 8 sites in Netherlands
- Volunteers
- 1,000 people
- Sponsor
- Freek Daams
Brachial Plexus Injury
A Multicenter External Validation of a Novel Prediction Model for Elbow Flexion Recovery After Nerve Transfer Surgery in Brachial Plexus Injuries
The goal of this observational study is to validate a risk prediction model developed for unsuccessful elbow flexion recovery after nerve transfer surgery in patients with brachial plexus injury.
- Trial name
- NCT06237270
- Testing
- Nerve transfer surgery for elbow flexion
- Where
- Thailand
- Volunteers
- 200 people
- Sponsor
- Siriraj Hospital
Patient Safety, Intraoperative Complications
Validation Study of ClassIntra®
Whereas there are several validated systems for reporting postoperative complications, there are only a few and not prospectively validated systems for reporting intraoperative complications.
- Conditions
- Patient Safety, Intraoperative Complications, Postoperative Complications, Risk Management
- Trial name
- ClassIntra® (NCT03009929)
- Testing
- Observational study
- Where
- 18 sites in United States, Australia and 10 more
- Volunteers
- 2,500 people
- Sponsor
- University Hospital, Basel, Switzerland